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The Diode Dynamics 3157 HP11 LED bulbs (amber, pair) deliver a plug-and-play LED upgrade for 3156/3157 turn signals, offering roughly 310 lumens per bulb. Combining side-firing LEDs with a top-mounted high-power chip and full metal heatsink, the HP11 provides improved brightness and reliable operation, thanks to nonpolar circuitry and robust construction for longer service life.
Diode Dynamics 3157 LED Bulb HP11 LED - Amber (Pair)
